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49 lines
3.1 KiB
Diff
49 lines
3.1 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: PepperCode1 <44146161+PepperCode1@users.noreply.github.com>
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Date: Thu, 23 Jul 2020 14:25:07 -0700
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Subject: [PATCH] Fix harming potion dupe
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EntityLiving#applyInstantEffect() immediately kills the player and drops their inventory.
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Before this patch, instant effects would be applied before the potion ItemStack is removed and replaced with a glass bottle. This caused the potion ItemStack to be dropped before it was supposed to be removed from the inventory. It also caused the glass bottle to be put into a dead player's inventory.
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This patch makes it so that instant effects are applied after the potion ItemStack is removed, and the glass bottle is only put into the player's inventory if the player is not dead. Otherwise, the glass bottle is dropped on the ground.
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diff --git a/src/main/java/net/minecraft/world/item/PotionItem.java b/src/main/java/net/minecraft/world/item/PotionItem.java
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index bb19a00c24e92058e05076b2ca0278dcae1890ae..d7ef159cc44787558ba41964f57a79f048371e97 100644
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--- a/src/main/java/net/minecraft/world/item/PotionItem.java
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+++ b/src/main/java/net/minecraft/world/item/PotionItem.java
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@@ -50,6 +50,7 @@ public class PotionItem extends Item {
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CriteriaTriggers.CONSUME_ITEM.trigger((ServerPlayer) entityhuman, stack);
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}
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+ List<MobEffectInstance> instantLater = new java.util.ArrayList<>(); // Paper - Fix harming potion dupe
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if (!world.isClientSide) {
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List<MobEffectInstance> list = PotionUtils.getMobEffects(stack);
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Iterator iterator = list.iterator();
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@@ -58,7 +59,7 @@ public class PotionItem extends Item {
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MobEffectInstance mobeffect = (MobEffectInstance) iterator.next();
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if (mobeffect.getEffect().isInstantenous()) {
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- mobeffect.getEffect().applyInstantenousEffect(entityhuman, entityhuman, user, mobeffect.getAmplifier(), 1.0D);
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+ instantLater.add(mobeffect); // Paper - Fix harming potion dupe
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} else {
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user.addEffect(new MobEffectInstance(mobeffect), org.bukkit.event.entity.EntityPotionEffectEvent.Cause.POTION_DRINK); // CraftBukkit
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}
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@@ -72,7 +73,18 @@ public class PotionItem extends Item {
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}
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}
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+ // Paper start - Fix harming potion dupe
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+ for (MobEffectInstance mobeffect : instantLater) {
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+ mobeffect.getEffect().applyInstantenousEffect(entityhuman, entityhuman, user, mobeffect.getAmplifier(), 1.0D);
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+ }
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+ // Paper end
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if (entityhuman == null || !entityhuman.getAbilities().instabuild) {
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+ // Paper start - Fix harming potion dupe
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+ if (user.getHealth() <= 0 && !user.level().getGameRules().getBoolean(net.minecraft.world.level.GameRules.RULE_KEEPINVENTORY)) {
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+ user.spawnAtLocation(new ItemStack(Items.GLASS_BOTTLE), 0);
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+ return ItemStack.EMPTY;
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+ }
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+ // Paper end
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if (stack.isEmpty()) {
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return new ItemStack(Items.GLASS_BOTTLE);
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}
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